Event: Hull Champs Swiss

PDF Excel

Opponent	Rating	Result
Mark Robinson	1200	1 - 0
John G Cooper	2193	1 - 0
Joe Varley	2125	0 - 1
William I Wright	1610	1 - 0
Xiaofan Li	1791	0 - 1
Robert Docwra	1685	1 - 0
Jack Walker	1650	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1808 = (12254 + 400 * (4 - 3)) / 7)